Tagged Questions
2
votes
3answers
398 views
Is there a linear relationship between shutter speed and speed of subject to freeze motion?
Is there a calculation that I can do that will calculate the required shutter speed if I know the speed of my subject and want to get a crisp image e.g. freeze motion?
For example if I go to a car ...
6
votes
1answer
797 views
How can I calculate the change an extension tube makes to the maximum magnification of a lens? [duplicate]
Possible Duplicate:
How can I calculate what the effect of an extension tube will be?
My understanding is that extension tubes increase the magnification of lenses by reducing their minimum ...
